public void Invoke_NullPredicate()
{
var predicateCreator = new SpyPredicateCreator(PredicateMiddleware <DummyContext, DummyEntity> .NullPredicate);
var middleware = new PredicateFilterMiddleware <DummyContext, DummyEntity>(predicateCreator.Invoke);
var context = new DummyContext();
FilterFunc <DummyEntity> nextFilter = _ => Rand.Array <DummyEntity>();
DummyContext actualNextContext = default;
Func <DummyContext, Task <FilterFunc <DummyEntity> > > next = ctx => {
actualNextContext = ctx;
return(Task.FromResult(nextFilter));
};
new TestCaseRunner()
.Run(() => middleware.Invoke(next)(context))
.Verify((actual, desc) => {
Assert.AreEqual(nextFilter, actual, desc);
Assert.AreEqual(context, predicateCreator.ActualContext, desc);
Assert.AreEqual(context, actualNextContext, desc);
}, (Type)null);
}
public void Invoke_Abyss()
{
var actualPredicateEntities = new List <DummyEntity>();
var predicateCreator = new SpyPredicateCreator(x => {
actualPredicateEntities.Add(x);
return(true);
});
var middleware = new PredicateFilterMiddleware <DummyContext, DummyEntity>(predicateCreator.Invoke);
var nextFilterResult = Rand.Array <DummyEntity>();
DummyContext actualNextFilterContext = default;
DummyEntity[] actualNextFilterSource = default;
Func <DummyContext, Task <FilterFunc <DummyEntity> > > next = ctx => {
actualNextFilterContext = ctx;
return(Task.FromResult <FilterFunc <DummyEntity> >(src => {
actualNextFilterSource = src.ToArray();
return nextFilterResult;
}));
};
var context = new DummyContext();
var source = Rand.Array <DummyEntity>(minLength: 2);
new TestCaseRunner()
.Run(async() => (await middleware.Invoke(next)(context))(source))
.Verify((actual, desc) => {
Assert.AreEqual(nextFilterResult, actual, desc);
Assert.AreEqual(context, predicateCreator.ActualContext, desc);
CollectionAssert.AreEqual(source, actualPredicateEntities, desc);
Assert.AreEqual(context, actualNextFilterContext, desc);
CollectionAssert.AreEqual(source, actualNextFilterSource);
}, (Type)null);
}